题解 | #二维数组求和#

public class Main { public static void main(String[] args) { int[][] arr = {{11,33,55},{22,44,66,88},{131,214,315,146},{928,827,726,625},{424,525}}; int sum=add(arr); System.out.println(sum); }

public static int add(int[][] arr) {
    int sum=0;
    for(int i=0;i<arr.length;i++)
        for(int j=0;j<arr[i].length;j++){
            sum =sum+arr[i][j];
        }      

    return sum;
}

}